115213534 has 16 divisors (see below), whose sum is σ = 176162688. Its totient is φ = 56503512.

The previous prime is 115213513. The next prime is 115213537. The reversal of 115213534 is 435312511.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 115213499 and 115213508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115213537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19429 + ... + 24655.

It is an arithmetic number, because the mean of its divisors is an integer number (11010168).

Almost surely, 2^115213534 is an apocalyptic number.

115213534 is a deficient number, since it is larger than the sum of its proper divisors (60949154).

115213534 is a wasteful number, since it uses less digits than its factorization.

115213534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5439.

The product of its digits is 1800, while the sum is 25.

The square root of 115213534 is about 10733.7567514827. The cubic root of 115213534 is about 486.5952136501.

The spelling of 115213534 in words is "one hundred fifteen million, two hundred thirteen thousand, five hundred thirty-four".